| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| <script src="resources/common.js"></script> |
| </head> |
| <body> |
| <p id="description"></p> |
| <div id="console"></div> |
| |
| <script> |
| description("Tests generating AES keys"); |
| |
| jsTestIsAsync = true; |
| |
| // Tests the 24 permutations of keys generated by: |
| // kPossibleAlgorithms x kPossibleExtractable x kPossibleKeyUsages x kPossibleKeyLengths |
| // |
| // For practical reasons these tests are not exhaustive. |
| |
| var kPossibleAlgorithms = ['AES-CBC', 'AES-GCM']; |
| var kPossibleExtractable = [true, false]; |
| var kPossibleKeyUsages = [['encrypt'], ['decrypt', 'wrapKey'], ['encrypt', 'wrapKey', 'unwrapKey']]; |
| var kPossibleKeyLengths = [128, 256]; |
| |
| // Set of all key data generated so far. |
| var allKeyDataGenerated = {}; |
| |
| function runTest(algorithmName, extractable, keyUsages, keyLengthBits) |
| { |
| var genAlgorithm = { name: algorithmName, length: keyLengthBits }; |
| |
| var results = {}; |
| |
| var promise = crypto.subtle.generateKey(genAlgorithm, extractable, keyUsages).then(function(result) { |
| generatedKey = result; |
| |
| shouldEvaluateAs("generatedKey.extractable", extractable); |
| shouldEvaluateAs("generatedKey.algorithm.name", algorithmName); |
| shouldEvaluateAs("generatedKey.algorithm.length", keyLengthBits); |
| shouldEvaluateAs("generatedKey.usages.join(',')", keyUsages.join(",")); |
| |
| if (extractable) |
| return crypto.subtle.exportKey('raw', generatedKey); |
| }); |
| |
| if (extractable) { |
| promise = promise.then(function(result) { |
| keyData = result; |
| shouldEvaluateAs("keyData.byteLength", keyLengthBits / 8); |
| |
| var keyDataHex = bytesToHexString(keyData); |
| |
| // It is very unlikely to generate two identical keys, so |
| // assume if that happens something is broken. |
| // (8 extractable keys are generated for each bit length). |
| if (allKeyDataGenerated[keyDataHex]) { |
| testFailed("Generated identical key data: " + keyDataHex); |
| } else { |
| allKeyDataGenerated[keyDataHex] = true; |
| testPassed("Generated unique key data of length: " + (keyData.byteLength * 8) + " bits"); |
| } |
| }); |
| } |
| |
| return promise; |
| } |
| |
| var lastPromise = Promise.resolve(null); |
| |
| kPossibleAlgorithms.forEach(function(algorithmName) { |
| kPossibleExtractable.forEach(function(extractable) { |
| kPossibleKeyUsages.forEach(function(keyUsages) { |
| kPossibleKeyLengths.forEach(function(keyLengthBits) { |
| lastPromise = lastPromise.then(runTest.bind(null, algorithmName, extractable, keyUsages, keyLengthBits)); |
| }); |
| }); |
| }); |
| }); |
| |
| lastPromise.then(finishJSTest, failAndFinishJSTest); |
| |
| </script> |
| |
| </body> |
| </html> |
